90738395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2867

約数の個数: 32

約数和(自身を含む): 129116160

約数和(自身を除く): 38377765

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 589, 1045, 1705, 2801, 2945, 6479, 14005, 30811, 32395, 53219, 86831, 154055, 266095, 434155, 585409, 955141, 1649789, 2927045, 4775705, 8248945, 18147679, 90738395]

約数ペア:

[(1, 90738395), (5, 18147679), (11, 8248945), (19, 4775705), (31, 2927045), (55, 1649789), (95, 955141), (155, 585409), (209, 434155), (341, 266095), (589, 154055), (1045, 86831), (1705, 53219), (2801, 32395), (2945, 30811), (6479, 14005)]